RsoiseRain Rain Sensor Replacement Hygroscopic Discs, 16 pcs, for Rain Bird Wired & Wireless Sensors (RSDBEX, RSD, RSDCEX, WR2)

Rainbird Rain Sensor Rain Bird Irrigation Hygroscopic Discs Replacement,Fit All Hunter Rain Sensors, Rainbird Wireless Rain Sensor for Hygroscopic Discs WR2, RSD(16PC)

Rainbird Wireless Rain and Freeze Sensor System with 1 Controller Interface and 1 Sensor